# Harbor vs keycloak

> Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

| | Harbor | keycloak |
|---|---|---|
| Score | 80/100 | 86/100 ✓ |
| Rank in category | #1 of 12 in Container Registry | #1 of 40 in Authentication |
| GitHub stars | 29 630 | 37 568 ✓ |
| Stars, last 30 days | +186 | +601 ✓ |
| Stable releases, 12 months | 10 | 14 ✓ |
| Latest release | v2.14.6 · 23 Oct 2026 ✓ | 26.8.1 · 13 Oct 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | No | Yes ✓ |
| License | Apache-2.0 | Apache-2.0 |
| Main language | Go | Java |

## Which one should you pick?

keycloak scores 86/100 against 80/100 for Harbor, so it is the safer default.

keycloak ships more often: 14 stable releases in the past year, against 10 for Harbor.

keycloak is growing faster right now (+601 stars in 30 days).

## Details

- [Harbor](https://selfhost.directory/project/harbor) (markdown: https://selfhost.directory/project/harbor.md)
- [keycloak](https://selfhost.directory/project/keycloak) (markdown: https://selfhost.directory/project/keycloak.md)

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Source: https://selfhost.directory/compare/harbor-vs-keycloak